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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_TEST_THREAD_TEST_HELPER_H_ | |
| 6 #define BASE_TEST_THREAD_TEST_HELPER_H_ | |
| 7 | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/single_thread_task_runner.h" | |
| 11 #include "base/synchronization/waitable_event.h" | |
| 12 | |
| 13 namespace base { | |
| 14 | |
| 15 // Helper class that executes code on a given thread while blocking on the | |
| 16 // invoking thread. To use, derive from this class and overwrite RunTest. An | |
| 17 // alternative use of this class is to use it directly. It will then block | |
| 18 // until all pending tasks on a given thread have been executed. | |
| 19 class ThreadTestHelper : public RefCountedThreadSafe<ThreadTestHelper> { | |
| 20 public: | |
| 21 explicit ThreadTestHelper( | |
| 22 scoped_refptr<SingleThreadTaskRunner> target_thread); | |
| 23 | |
| 24 // True if RunTest() was successfully executed on the target thread. | |
| 25 bool Run() WARN_UNUSED_RESULT; | |
| 26 | |
| 27 virtual void RunTest(); | |
| 28 | |
| 29 protected: | |
| 30 friend class RefCountedThreadSafe<ThreadTestHelper>; | |
| 31 | |
| 32 virtual ~ThreadTestHelper(); | |
| 33 | |
| 34 // Use this method to store the result of RunTest(). | |
| 35 void set_test_result(bool test_result) { test_result_ = test_result; } | |
| 36 | |
| 37 private: | |
| 38 void RunInThread(); | |
| 39 | |
| 40 bool test_result_; | |
| 41 scoped_refptr<SingleThreadTaskRunner> target_thread_; | |
| 42 WaitableEvent done_event_; | |
| 43 | |
| 44 DISALLOW_COPY_AND_ASSIGN(ThreadTestHelper); | |
| 45 }; | |
| 46 | |
| 47 } // namespace base | |
| 48 | |
| 49 #endif // BASE_TEST_THREAD_TEST_HELPER_H_ | |
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